When you want to express that you have successfully completed a task or achieved a goal, saying "nailed it" can be an effective way to capture the moment. But if you're looking for some equally satisfying alternatives, there are plenty of synonyms to choose from. You could say you "crushed it," "aced it," or "totally owned it." If you prefer a more understated tone, you might say you "executed flawlessly," "performed exceptionally well," or simply "succeeded." Whatever your style, there are many ways to convey that you nailed it without using that exact phrase.